Statistics for occurrence #1 of “Verdigris rivers” in chapter 14 of Wiley Britton, Memoirs of the Rebellion on the Border 1863.:

...ver, for the purpose of capturing our commissary train On the 22d our scouts brought in information. that a large force of the enemy crossed the Arkansas above the mouths of the Grand and the Verdigris rivers , and are believed to be moving northward. Whether it is their intention to continue their march northward until they meet our supply train, or whether they intend to take up a strong position above...
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